diff options
Diffstat (limited to 'system/helpers/download_helper.php')
| -rw-r--r-- | system/helpers/download_helper.php | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php index a8c59c2c0..8b87f8179 100644 --- a/system/helpers/download_helper.php +++ b/system/helpers/download_helper.php @@ -2,7 +2,7 @@ /** * CodeIgniter * - * An open source application development framework for PHP 5.1.6 or newer + * An open source application development framework for PHP 5.2.4 or newer * * NOTICE OF LICENSE * @@ -42,7 +42,6 @@ * * Generates headers that force a download to happen * - * @access public * @param string filename * @param mixed the data to be downloaded * @param bool wether to try and send the actual file MIME type @@ -60,19 +59,19 @@ if ( ! function_exists('force_download')) // Set the default MIME type to send $mime = 'application/octet-stream'; + $x = explode('.', $filename); + $extension = end($x); + if ($set_mime === TRUE) { - /* If we're going to detect the MIME type, - * we'll need a file extension. - */ - if (FALSE === strpos($filename, '.')) + if (count($x) === 1 OR $extension === '') { + /* If we're going to detect the MIME type, + * we'll need a file extension. + */ return FALSE; } - $extension = explode('.', $filename); - $extension = end($extension); - // Load the mime types if (defined('ENVIRONMENT') && is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php')) { @@ -90,8 +89,23 @@ if ( ! function_exists('force_download')) } } + /* It was reported that browsers on Android 2.1 (and possibly older as well) + * need to have the filename extension upper-cased in order to be able to + * download it. + * + * Reference: http://digiblog.de/2011/04/19/android-and-the-download-file-headers/ + */ + if (count($x) !== 1 && isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/Android\s(1|2\.[01])/', $_SERVER['HTTP_USER_AGENT'])) + { + $x[count($x) - 1] = strtoupper($extension); + $filename = implode('.', $x); + } + + // Clean output buffer + ob_clean(); + // Generate the server headers - header('Content-Type: "'.$mime.'"'); + header('Content-Type: '.$mime); header('Content-Disposition: attachment; filename="'.$filename.'"'); header('Expires: 0'); header('Content-Transfer-Encoding: binary'); @@ -113,4 +127,4 @@ if ( ! function_exists('force_download')) } /* End of file download_helper.php */ -/* Location: ./system/helpers/download_helper.php */ +/* Location: ./system/helpers/download_helper.php */
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